This product qualifies for FREE SHIPPING! IMPORTANT: Due to the nature of this item's packaging, units must be unopened and unused to be eligible for return or exchange. If your device is damaged, please send our team an email for further assistance. Click here to shop all products by Reef Factory! The line of dosing pumps by Reef Factory combines modern technology with a user-friendly interface. These dosing pumps are accurate, reliable and designed to dose a wide variety of common solutions added to marine aquariums. Integration within the app allows the user to access analytics, liquid reserves and essentially the ability to maintain and make necessary adjustments to any aspect within the reef aquarium from a single centralized spot. Overview: - Accurate dosing +/- 0.1ml - Quiet operation - X1 & LG single pump head. X4 model offers 4 pump heads. - LG model can be used for auto top-off and automatic water changing processes. - Compatible with Smart Reef app for easy adjustments, management and analytic storage Size and Specifications: Model Dimensions (IN) Power (WATTS) Voltage X1Dosing Speed: 25ml/min 2.17 x 2.76 x 3.94" 0.5 - 3W 100-240 V AC 50/60 Hz X4Dosing Speed: 25ml/min 10 x 1.97 x 3.94" 0.5-4.0W 100-240 V AC 50/60 Hz LGDosing Speed: 1L/min 4.92 x 3.94 x 5.91" 0.5 - 5W 100-240 V AC 50/60 Hz